react-image-display-control
                                
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                        Listen to children's change in `src=`
<ImageDisplayControl>
  <Image src=... />
</ImageDisplayControl>
In case the child's src=  is constructed for example based on its state, updated later asynchronously by a useEffect(), we (the parent <ImageDisplayControl>) won't notice the change, and so we won't fetch the new image regions corresponding to the new image.
How to solve this? With a MutationObserver? With some kind of subscription to the children's React states?